Finding the Fourth Proportional to 612,750.75, 845,596.04 and 344,478.75
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Solution
The fourth proportional to 612,750.75, 845,596.04 and 344,478.75 is: 475,380.68
Step by Step Solution
- Step 1: Write the proportion equation
612,750.75 : 845,596.04 = 344,478.75 : x - Step 2: Convert to fraction form
612,750.75/845,596.04 = 344,478.75/x - Step 3: Cross multiply
612,750.75x = 845,596.04 × 344,478.75 - Step 4: Simplify right side
612,750.75x = 291,289,865,141.76 - Step 5: Solve for x
x = 291,289,865,141.76/612,750.75 - Step 6: Final answer
x = 475,380.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.